Entry 4 senses · 2 variants Webster, 1913 Luxemburger · IPA n. adj. 01 n. a native or inhabitant of Luxembourg. 1. a native or inhabitant of Luxembourg. Syn. Luxembourger. 02 adj. of or pertaining to Luxemburg; as, Luxemburger streets. 1. of or pertaining to Luxemburg; as, Luxemburger streets. 2. of or pertaining to Luxemburg (definition 2); as, Luxemburger castles. 3. of or pertaining to the inhabitants of Luxemburg; as, our Luxemburger neighbors.